Why Use Sour Cream For Cake Can I Use Fat Free Sour Cream In A Cake Icing Recipe?

Can I use Fat Free Sour Cream in a Cake Icing recipe? - why use sour cream for cake

I make a cake and ice cream calls for sour cream, powder surgar and whipped cream. Can fat free sour cream instead of regular sour cream?

Here's the recipe: http://www.kraftfoods.com/main.aspx?s=re ...